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Finding the Fourth Proportional to 9,378.77, 14,067.77 and 2,358.83

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Solution

The fourth proportional to 9,378.77, 14,067.77 and 2,358.83 is: 3,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.77 : 14,067.77 = 2,358.83 : x
  2. Step 2: Convert to fraction form
    9,378.77/14,067.77 = 2,358.83/x
  3. Step 3: Cross multiply
    9,378.77x = 14,067.77 × 2,358.83
  4. Step 4: Simplify right side
    9,378.77x = 33,183,395.78
  5. Step 5: Solve for x
    x = 33,183,395.78/9,378.77
  6. Step 6: Final answer
    x = 3,538.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.